A. Marshall

most citedObservation of a threshold enhancement in the

π^{+} π^{-}

spectrum in

ψ (3686) \to π^{+} π^{-} J / ψ

decays

1 citations · 1 across the 29 of their papers we have counts for

collaborators

32 papers

hep-ex2026

Precise Measurement of the Inclusive Cross Sections of Open-Charm Mesons at Energies from 3.80 to 4.95 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +759

Using $e^{+} e^{-}$ collision data collected by the BESIII detector at center-of-mass energies from $3.80$ to $4.95 GeV$ , the inclusive production cross sections of open-charm me…

hep-ex2026

First Observation of the Radiative Decay $D^{0} \to γ ω$

BESIII Collaboration, M. Ablikim, M. N. Achasov +767

We report the first observation of the radiative charm decay $D^{0} \to γ ω$ with a significance of $6.0 σ$ . The analysis uses 20.3\, $fb^{- 1}$ of $e^{+} e^{-}$ collision data collected…

hep-ex2026

Determination of $U$ -spin breaking parameters with an amplitude analysis of the decay $D^{0} \to K_{S, L}^{0} π^{+} π^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +770

We perform a simultaneous amplitude analysis of the decays $D^{0} \to K_{S}^{0} π^{+} π^{-}$ and $D^{0} \to K_{L}^{0} π^{+} π^{-}$ using an $e^{+} e^{-}$ collision data sample, co…

hep-ex2026

Search for the doubly Cabibbo-suppressed decays $D^{0} \to K^{+} π^{-} η^{'}$ and $D^{+} \to K^{+} π^{0} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +774

We present the first search for the doubly Cabibbo-suppressed decays $D^{0} \to K^{+} π^{-} η^{'}$ and $D^{+} \to K^{+} π^{0} η^{'}$ using an $e^{+} e^{-}$ collision data sample corresponding to an…

hep-ex2026

Measurement of CP Asymmetry Parameters and Polarization Correlations in $Ω^{-} Ω ˉ^{+}$ Pairs

BESIII Collaboration, M. Ablikim, M. N. Achasov +773

Using $(2.71 \pm 0.01) \times 1 0^{9}$ $ψ (3686)$ events collected with the BESIII detector, a joint full angular distribution analysis is carried out for the process $ψ(3686) \to Ω^-(…

hep-ex2026

Measurement of Born cross sections for $e^{+} e^{-} \to p p ˉ$ at $s = 3.510 - 4.946$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

We report a measurement of the Born cross section and the effective form factor for the $e^{+} e^{-} \to p p ˉ$ reaction at 47 center-of-mass energies between 3.510 and 4.946 GeV. The…

hep-ex2026

Observation of $ψ (3770) \to p p ˉ$ and Measurement of Electromagnetic Form Factors of Proton at $s = 3.510 - 4.946$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

We search for possible charmonium(-like) states decaying into the $p p ˉ$ final state by studying the Born cross sections of the $e^{+} e^{-} \to p p ˉ$ reaction, and we determine…

hep-ex2026

Search for the charged lepton flavor violating decay $η \to e^{\pm} μ^{\mp}$

M. Ablikim, M. N. Achasov, P. Adlarson +708

Based on $(10.087 \pm 0.044) \times 1 0^{9} J / ψ$ events collected at the center-of-mass energy $s = 3.097$ ~GeV with the BESIII detector, we search for the charged lepton flav…

hep-ex2026

Observation of an Altered $a_{0} (980)$ Line shape in $D^{+} \to π^{+} η η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +693

Using $20.3 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at $s = 3.773 GeV$ , we perform the first amplitude analysis of the decay $D^+\to…

hep-ex2026

Measurement of the branching fraction of $D_{s}^{*+} \to e^{+} e^{-} D_{s}^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +684

The branching fraction of the electromagnetic Dalitz decay $D_{s}^{*+} \to e^{+} e^{-} D_{s}^{+}$ is measured with an $e^{+} e^{-}$ collision data sample collected by the BESIII experi…

hep-ex2026

First Observation of \boldmath{ $D^{+} \to a_{0} (980) ρ$ and $D^{+} \to a_{0} (980)^{+} f_{0} (500)$ } in \boldmath{ $D^{+} \to π^{+} π^{+} π^{-} η$ and $D^{+} \to π^{+} π^{0} π^{0} η$ } Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +756

We perform the first amplitude analysis of the singly Cabibbo-suppressed decays $D^{+} \to π^{+} π^{+ (0)} π^{- (0)} η$ , using $e^{+} e^{-}$ collision data collected with the BESIII detector…

hep-ex2026

Measurement of the branching fractions of $χ_{c J} \to π^{+} π^{-} π^{0} π^{0}$ via $ψ (3686) \to γ χ_{c J}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +762

Using $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector operating at BEPCII, the branching fractions of $χ_{c J} \to π^{+} π^{-} π^{0} π^{0}$ ( $J = 0, 1, 2$ ) are mea…

hep-ex2026

Precise measurement of the CKM angle $γ$ with a novel approach

The BESIII, LHCb Collaborations, : +1903

A measurement of the CKM angle $γ$ is performed by applying a novel, unbinned, model-independent approach to datasets of electron-positron collisions collected by the BESIII experi…

hep-ex2026

Measurement of the CKM angle $γ$ in $B^{\pm} \to D (\to K_{S}^{0} h^{' +} h^{' -}) h^{\pm}$ decays with a novel approach

The BESIII, LHCb Collaborations, : +1903

A measurement of the CKM angle $γ$ and related strong-phase parameters is performed using a novel, model-independent approach in ${B^{\pm}\rightarrow D(\rightarrow K^{0}_{\rm S} h^…

hep-ex2026

An improved measurement of $η^{'} \to e^{+} e^{-} ω$

BESIII Collaboration, M. Ablikim, M. N. Achasov +772

Using a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, an improved measurement of the decay $η^{'} \to e^{+} e^{-} ω$ , with $ω\…

hep-ex2026

Observation of $Λ_{c}^{+} \to n π^{+} η$ and search for $Λ_{c}^{+} \to n a_{0} (980)^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +719

By analysing 6.1 $fb^{- 1}$ of data collected at center-of-mass energies between $s = 4.600$ and 4.843 $GeV$ with the BESIII detector at the BEPCII collider, we obser…

hep-ex2026

Improved measurements of the coherence factors and strong-phase differences in $D \to K^{-} π^{+} π^{+} π^{-}$ and $D \to K^{-} π^{+} π^{0}$ with quantum-correlated $D D ˉ$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +680

Improved measurements of the coherence factors and strong-phase differences in $D \to K^{-} π^{+} π^{+} π^{-}$ and $D \to K^{-} π^{+} π^{0}$ decays are reported, using quantum-correlated $D D ˉ$ pai…

hep-ex2026

Measurement of the singly Cabibbo-suppressed decay $Λ_{c}^{+} \to p η^{'}$ with Deep Learning

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Using $4.5$ fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at center-of-mass energies from 4.600 to 4.699 GeV, we report a measurement of the singly Cabibb…

hep-ex2026

Observation of a New Excited $Σ$ State in $ψ (3686) \to p ˉ K^{+} Σ^{0} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +681

Using a data sample of $(2712.4 \pm 14.3) \times 1 0^{6} ψ (3686)$ events collected with the BESIII detector, a partial-wave analysis of $ψ (3686) \to p ˉ K^{+} Σ^{0} + c . c .$ is performed. A new…

hep-ex2026

First observation of the $η_{c} \to Ξ^{0} Ξ ˉ^{0}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +761

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector at the BEPCII collider, we report the first observation of the decay $η_{c} \to Ξ^{0} Ξ ˉ^{0}$ . T…

hep-ex2026

Search for $ψ_{0} (4360) \to η ψ (2 S)$ through the process $e^{+} e^{-} \to η η ψ (2 S)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +763

Using data samples corresponding to an integrated luminosity of 0.9~fb $^{- 1}$ collected with the BESIII detector operating at the BEPCII storage ring at the center-of-mass energies…

hep-ex2026

First evidence for $D_{s}^{+} \to f_{1} (1420) e^{+} ν_{e}$ and search for $D_{s}^{+} \to f_{1} (1285) e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +706

Using $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 7.33~ $f b^{- 1}$ recorded by the BESIII detector at center-of-mass energies between 4.128 and 4.226~$…

hep-ex2026

Search for the reaction channel $e^{+} e^{-} \to η η J / ψ$ and the isospin partner of the $Z_{c} (3900)$ at center-of-mass energies $s = 4.226 - 4.950$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +693

We search for the reaction channel $e^{+} e^{-} \to η η J / ψ$ in a data sample with center-of-mass energies from 4.226 to 4.950 GeV that was collected by the BESIII detector operating a…

hep-ex2026

First Measurement of the Absolute Branching Fraction of $η_{c} \to γ γ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +691

We apply a tag-and-probe method to precisely measure the absolute branching fraction of the decay $η_{c} \to γ γ$ with the BESIII experiment at BEPCII. Starting with a large initial s…

Precise Measurement of the Inclusive Cross Sections of Open-Charm Mesons at Energies from 3.80 to 4.95 GeV

First Observation of the Radiative Decay D0→γω

Determination of U-spin breaking parameters with an amplitude analysis of the decay D0→KS,L0​π+π−

Search for the doubly Cabibbo-suppressed decays D0→K+π−η′ and D+→K+π0η′

Measurement of CP Asymmetry Parameters and Polarization Correlations in Ω−Ωˉ+ Pairs

Measurement of Born cross sections for e+e−→ppˉ​ at s​=3.510−4.946 GeV

Observation of ψ(3770)→ppˉ​ and Measurement of Electromagnetic Form Factors of Proton at s​=3.510−4.946 GeV

Search for the charged lepton flavor violating decay η→e±μ∓

Observation of an Altered a0​(980) Line shape in D+→π+ηη

Measurement of the branching fraction of Ds∗+​→e+e−Ds+​

First Observation of \boldmath{D+→a0​(980)ρ and D+→a0​(980)+f0​(500)} in \boldmath{D+→π+π+π−η and D+→π+π0π0η} Decays

Measurement of the branching fractions of χcJ​→π+π−π0π0 via ψ(3686)→γχcJ​

Precise measurement of the CKM angle γ with a novel approach

Measurement of the CKM angle γ in B±→D(→KS0​h′+h′−)h± decays with a novel approach

An improved measurement of η′→e+e−ω

Observation of Λc+​→nπ+η and search for Λc+​→na0​(980)+

Improved measurements of the coherence factors and strong-phase differences in D→K−π+π+π− and D→K−π+π0 with quantum-correlated DDˉ decays

Measurement of the singly Cabibbo-suppressed decay Λc+​→pη′ with Deep Learning

Observation of a New Excited Σ State in ψ(3686)→pˉ​K+Σ0+c.c.

First observation of the ηc​→Ξ0Ξˉ0 decay

Search for ψ0​(4360)→ηψ(2S) through the process e+e−→ηηψ(2S)

First evidence for Ds+​→f1​(1420)e+νe​ and search for Ds+​→f1​(1285)e+νe​

Search for the reaction channel e+e−→ηηJ/ψ and the isospin partner of the Zc​(3900) at center-of-mass energies s​=4.226−4.950 GeV

First Measurement of the Absolute Branching Fraction of ηc​→γγ

First Observation of the Radiative Decay $D^{0} \to γ ω$

Determination of $U$ -spin breaking parameters with an amplitude analysis of the decay $D^{0} \to K_{S, L}^{0} π^{+} π^{-}$

Search for the doubly Cabibbo-suppressed decays $D^{0} \to K^{+} π^{-} η^{'}$ and $D^{+} \to K^{+} π^{0} η^{'}$

Measurement of CP Asymmetry Parameters and Polarization Correlations in $Ω^{-} Ω ˉ^{+}$ Pairs

Measurement of Born cross sections for $e^{+} e^{-} \to p p ˉ$ at $s = 3.510 - 4.946$ GeV

Observation of $ψ (3770) \to p p ˉ$ and Measurement of Electromagnetic Form Factors of Proton at $s = 3.510 - 4.946$ GeV

Search for the charged lepton flavor violating decay $η \to e^{\pm} μ^{\mp}$

Observation of an Altered $a_{0} (980)$ Line shape in $D^{+} \to π^{+} η η$

Measurement of the branching fraction of $D_{s}^{*+} \to e^{+} e^{-} D_{s}^{+}$

First Observation of \boldmath{ $D^{+} \to a_{0} (980) ρ$ and $D^{+} \to a_{0} (980)^{+} f_{0} (500)$ } in \boldmath{ $D^{+} \to π^{+} π^{+} π^{-} η$ and $D^{+} \to π^{+} π^{0} π^{0} η$ } Decays

Measurement of the branching fractions of $χ_{c J} \to π^{+} π^{-} π^{0} π^{0}$ via $ψ (3686) \to γ χ_{c J}$

Precise measurement of the CKM angle $γ$ with a novel approach

Measurement of the CKM angle $γ$ in $B^{\pm} \to D (\to K_{S}^{0} h^{' +} h^{' -}) h^{\pm}$ decays with a novel approach

An improved measurement of $η^{'} \to e^{+} e^{-} ω$

Observation of $Λ_{c}^{+} \to n π^{+} η$ and search for $Λ_{c}^{+} \to n a_{0} (980)^{+}$

Improved measurements of the coherence factors and strong-phase differences in $D \to K^{-} π^{+} π^{+} π^{-}$ and $D \to K^{-} π^{+} π^{0}$ with quantum-correlated $D D ˉ$ decays

Measurement of the singly Cabibbo-suppressed decay $Λ_{c}^{+} \to p η^{'}$ with Deep Learning

Observation of a New Excited $Σ$ State in $ψ (3686) \to p ˉ K^{+} Σ^{0} + c . c .$

First observation of the $η_{c} \to Ξ^{0} Ξ ˉ^{0}$ decay

Search for $ψ_{0} (4360) \to η ψ (2 S)$ through the process $e^{+} e^{-} \to η η ψ (2 S)$

First evidence for $D_{s}^{+} \to f_{1} (1420) e^{+} ν_{e}$ and search for $D_{s}^{+} \to f_{1} (1285) e^{+} ν_{e}$

Search for the reaction channel $e^{+} e^{-} \to η η J / ψ$ and the isospin partner of the $Z_{c} (3900)$ at center-of-mass energies $s = 4.226 - 4.950$ GeV

First Measurement of the Absolute Branching Fraction of $η_{c} \to γ γ$